20034523544 has 64 divisors (see below), whose sum is σ = 43569968640. Its totient is φ = 8458732800.

The previous prime is 20034523541. The next prime is 20034523547. The reversal of 20034523544 is 44532543002.

It is an interprime number because it is at equal distance from previous prime (20034523541) and next prime (20034523547).

It is a self number, because there is not a number n which added to its sum of digits gives 20034523544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034523541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4294157 + ... + 4298819.

It is an arithmetic number, because the mean of its divisors is an integer number (680780760).

Almost surely, 2^20034523544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20034523544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21784984320).

20034523544 is an abundant number, since it is smaller than the sum of its proper divisors (23535445096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20034523544 is a wasteful number, since it uses less digits than its factorization.

20034523544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5796 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 20034523544 in words is "twenty billion, thirty-four million, five hundred twenty-three thousand, five hundred forty-four".